Development of aflatoxin-resistant cotton against Aspergillus flavus is handicapped by the lack of resistance
source in available germplasm. Genetic engineering warrants for identification of resistanceassociated
genes in cotton. As a first step toward this, we isolated 44 differentially expressed genes
(DEGs) in response to A. flavus infection, using annealing control primer system. Different functional
classification of the DEGs suggested a complex and multi-factorial plantefungus interaction.